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ARM: mx5/clock-mx51: refactor ccgr callbacks to use common code

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Acked-by: Jason Wang <jason77.wang@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-09-10 16:58:42 +02:00 committed by Sascha Hauer
parent 9f0c11ee67
commit 79901478e0
1 changed files with 18 additions and 16 deletions
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34
arch/arm/mach-mx5/clock-mx51.c
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@ -41,34 +41,36 @@ static struct clk usboh3_clk;
#define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */
static void _clk_ccgr_setclk(struct clk *clk, unsigned mode)
{
u32 reg = __raw_readl(clk->enable_reg);
reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift);
reg |= mode << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
}
static int _clk_ccgr_enable(struct clk *clk)
{
u32 reg;
reg = __raw_readl(clk->enable_reg);
reg |= MXC_CCM_CCGRx_MOD_ON << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
_clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_ON);
return 0;
}
static void _clk_ccgr_disable(struct clk *clk)
{
u32 reg;
reg = __raw_readl(clk->enable_reg);
reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift);
__raw_writel(reg, clk->enable_reg);
_clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_OFF);
}
static int _clk_ccgr_enable_inrun(struct clk *clk)
{
_clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE);
return 0;
}
static void _clk_ccgr_disable_inwait(struct clk *clk)
{
u32 reg;
reg = __raw_readl(clk->enable_reg);
reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift);
reg |= MXC_CCM_CCGRx_MOD_IDLE << clk->enable_shift;
__raw_writel(reg, clk->enable_reg);
_clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE);
}
/*